Typewriting machine



Aug., 2E, i923. .A L@

AA,JoHNsQN TYPEWRITING MACHINE Fiied sept. i1, 1920 2'? iii 7 f/ 2720 2i4 3ma WGW 3@ 17 zz I8 /9 Patented Aug. 21, i923.

narran stares Mttdd PATENT FFQE.

ARTHUR A. JOHNSON, OF NEW YORK, N. Y., ASSIGNOE T UDERWOOD TYPEWRITERcompany, or NEW YORK, N. Y.,

CORPORATION OF DELAWARE. v

TYPEWRITING MACHINE.

Application led September 11, 1920. Serial No. 409,625.

To all whom. t may concern Be it known' that I, ARTHUR A. JOHNSON, acitizen of the United States, resident of the city7 of New York, countyof the Bronx, e and State of New York, have invented new and usefulImprovements in Typewriting Machines, of which the following is aspecification.

This invention relates to typewriting 10 machines and particularly totypewriting machines of the fan-fold type. v

In vthis type of machine, a reciprocatory carbon carriage vis providedwith means for holding the carbon sheets in position between the foldsof a fan-fold sheet; so that, after a form has beenY written andtheplaten shifted to straighten the webs, the carbon sheets may bemoved'into proper superposed relation to a fresh form. The meansheretofore employed for holding carbon sheets is,

only adapted for use with a fan-fold web or separate superposed webs. l

'A feature of this invention is the provision of. means for enabling theuse of a folded web having one or more of its free edges turned in,"sothat part or parts of the web comprise two sheets or plies folded oneach other with the open part of the sheets adjacent a.fold of that partof the web and another part. g

The means for doing this may comprise an arm made up of twoy parts,welded or otherwise connected for part of its length and having-one freepart bent up at the end of the secured part and another free part bentdown at the end of the secured part. These bent-up and bent-downportions are then'bentaround to extend parallel tothesecured part-softhe arms. Each 40 part of the arm v is provided with means for holdingthe carbonto the arm.

lThe advantage of using a closed fold sheet will be manifest when it isconsidered that with this form of sheet there will be no free .edges atthe top and bottom ofthe pack to catch on to parts of the machine ortofall over after the form has been written upon.

Other features and advantages ywill be manifest tolthose skilled in thea'rti In the accompanying drawings:

Fig'. 1A is a perspective view showing' aA carbon arm of thepresentinventon;

Fig. 2 is a perspective view of one form of folded web which may be usedaccording to the present invention;

Fig. 3 shows a carbon arm'for the form of web shown in Fig. 2;

4 shows another form of web which is part fan-fold and part closed-foldwhich may be used according to the present invention; Y

Fig. 5 shows the arrangement and form of carbon arms used with the formof web shown in Fig. 4.

,In the fan-fold type of typewriting machine, the carbon shiftingmechanism comprises a reciprocatorycarriage mounted on suitable guiderails and having a handle by means of which it is operated.. Thiscarriage is provided atits side edges with blocks or standards formingsupports for carbon carrying arms. Each of these carbon arms is usuallya .flat bar which is connected to one of the standards and extends`inwardly between the folds of the fan-fold sheet. The carbon sheet issecured to a carbon arm by a sheath or clamp embracing the arm andpivoted thereto. y The carbon arm can onlyr be usedv with a web in whichthe part to receive the carbon impression has an open edge so that thecarbon arm can extend directly from thesupporting block or standard intothe web. This condition exists in the ordinary fanfold web. i

To enable the use of folded webs having parts-thereof closed by otherparts-so that there is no free edge to the web at the porV tion' thereofto receive the carbon impression, I provide a carbon arm whichextendsinto the web through an open fold to the opposite lside of theweb where it bends around the free edge of the web and extends into theclosed fold. f

Referring now to the web 16, shown in Figs. 4 and 5. This web 16 issomewhat similar to a fan-fold web in that'it has parts 17, 18, 19 and2O folded upon'each other,` zigzag fashion, but differing therefrom, inthat the part 21, instead of being folded over the part 20, is foldedunder, be-V I tween part 20 and part 19, and in that part 22 is foldedover the part 17, between part 18 and part17, instead of under part 17.The part 22 has its free edge 23 adjacent the fold of the parts 17 and18 and the part 2O has its free edge 24 adjacent the fold of the parts19 and 20. The carbon arm 25 of the present invention comprises a bar26- securedto the standard 15 in the usual inanner and extending intothe web 16 between the parts 21 and 19, and carries a c arbon sheet 21Cfor the part 21. To provide means for carrying the carbon sheet 2Oc forthe part 20, the bar 26 has an extension 27 bent at 24b around the freeedge 24 of the part 21 and lying substantially parallel to the bar 26.The arm 25 is provided with a carbon clamp 28 pivoted at 29 t0 theextension 27 and another clamp 29il pivoted to the bar'26 at 30. Thecarbon arm 31 of the present invention is substantially the same as thearm 25 and comprises a bar 32 secured to the standard 15 in the usualmanner and extending into the web 16, between the parts 18 and 22, andcarriesacarbon sheet 18c for the part 18. The bar 32 has an extension 33bent at 231 around the free edge 2 3 of the part 22 and liessubstantially parallel to the ar 32 The arm 31 is provided with a clamp34 pivoted at 35 on the extension 33 and a clamp 36 pivoted at 37.

To provide a carbon arm for an ordinary arm 13 is provided.

Referring now to Figs. 2 and 3. These lviews show a web 38, which issomewhat similar to the web shown in Fig. 4 and Fig. 5, except thatthere are no parts corresponding to the parts 18 and 19 0f Figs. 4 and5. This web comprises a part 39, folded on a part 40, and a part 41,folded on a part 42; and one-half 39-40 over on the other half 41-42,thus forming a four part web having an opening 43. To provide means forcarrying the carbon sheet 41, the carbon arm 44 comprises a bar 45having a suitable clamp 46 for holding the carbon sheet 41 thereto. Thearm 44 extends into the opening 43 of the web 38. As shown more clearlyin Fig. 1, the bar 45 comprises two sections or extensions 47 and 48 inthe form of bars, said extension 47 being bent at 49 about the free edge50 of the part 41 and extending parallel to the bar 45', and saidextension 48 being bent at 51 downwardly and around the free edge 52 ofthe part 39 and extending parallel to the bar 45. The extension 47carries a carbon sheet 42 for the part 42, while the extension 48carries the carbon sheet 39c for the part 39. Preferably, the carbon arm44 is made of two strips or bars of material welded or otherwise securedtogether for part of their length' and having their unsecured parts, one.bent up and around and the other part bent down and around to form theextensions 47 and 48,V although other forms may be used.V The extensionsl V 47 and 48 each carry clamps 53 for holding the .Carbon sheetstheretothe part 19 From the foregoing, will be seen that I have providedmeans whereby the'car-bon sheets may be carried in proper superposedrelation to the parts of a folded Web having one or more vclosed folds.n

It will be understood that the term closed fold is intended to mean afold in-v the web the nature of which is such that one or more of theparts of the folded web ported at one end to extend therefrom into anopen fold of a web, and a carbon-holding arm supported on the free endof the toward the supported end thereof to enter a closed fold ofv theweb formed by folding the portion of the web on one side of thefirst-mentioned fold into the latter.

2. In a typewriting machine ofthe fanfold type, means for holding acarbon sheet in superposed relation to apart of a folded web and toextend into an open fold of said web, and means for holding a carbonsheet in superposed relation to another part of the folded web to extendinto a closed fold in said web.

3. In a typewriting machine of the fanfold type, means for holding acarbon sheet in superp'osed relation to a part of a folded web and toextend into an open fold in said web, and means for holding a carbonsheet in superposed relation to another part of the folded web to extendinto a closed fold in said web; said second means being `formed integralwith tite first .means and extending substantially parallel to the firstmeansand in spaced relationtherewith.

4.'In -a typewriting machiney of the fanfold type, means for holding acarbon sheet in superposed relation to apart of a folded web and toextend into an open fold in said web, means for holding af carbon sheet*in superposed relationl to another part of said web to extend into aclosed fold in said web, said second means being formed integral withthe first means hand extending substantially parallel t0 the first meansand in spaced relation therewith, and carbon clamping members carried byall of said carbon carrying means.

5. A carbon-holder, for use in a typewriting machine of the fan-foldtype, comprising a carbon-holding bar to entera central fold of acontinuous web, yand carbon-holdingY arms supportedon ythe end of thebar `adjacent theprcrease pf-` the fold, and GXfelld- Vbar and extendingparallel to the bar and v iso ing parallel to the bar and spacedtherefrom to enter closed folds Jformed by folding the free edges oftheplies forming the first-mentioned fold into the same.

6. A carbon-holder, for use in a typewriting machine of the fan-foldtype with a continuous Web having a longitudinal central fold andadditional folds .formed by folding the side portions of the Web intothe central fold, comprising a portion for each of the additional foldsto hold the earbon-sheet thereinand a portion to hold a carbon-sheet inthexentral fold and between the parts of the web folded into theeentral'fold to form the additional folds.

7. A Carbon arm comprising a pair of bars secured together for part ofAtheir length, one of said bars being bent upwardly and the other barbeing bent downwardly t their unsecured portions, both of said bent barsbeing further bent to lie substantially parallel to and spaced from saidsecured portions of said bars.

In testimony whereof, I have signed my v name to this specification.

ARTHUR A. JOHNSON.

